11320220999 has 2 divisors, whose sum is σ = 11320221000. Its totient is φ = 11320220998.

The previous prime is 11320220987. The next prime is 11320221007. The reversal of 11320220999 is 99902202311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11320220999 - 2¹⁶ = 11320155463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320220939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660110499 + 5660110500.

It is an arithmetic number, because the mean of its divisors is an integer number (5660110500).

Almost surely, 2^11320220999 is an apocalyptic number.

11320220999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320220999 is an equidigital number, since it uses as much as digits as its factorization.

11320220999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 11320220999 in words is "eleven billion, three hundred twenty million, two hundred twenty thousand, nine hundred ninety-nine".